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| 复制代码需求: 
获取一个网页上的邮箱地址 
*/ 
import java.io.BufferedReader; 
import java.io.InputStreamReader; 
import java.util.regex.Pattern; 
import java.util.regex.Matcher; 
import java.net.URL; 
public classTest{
public static void main(String...args)throws Exception{ 
URL url =new URL("http://127.0.0.1:8080/"); 
BufferedReader bufin =  
new BufferedReader(new InputStreamReader(url.openStream())); 
String line =null; 
String regex = "[1-9a-zA-z]\\w+@\\w+(\\.\\w+)+"; 
Pattern p =Pattern.compile(regex); 
while((line=bufin.readLine())!=null){ 
Matcher m = p.matcher(line); 
while(m.find()){ 
System.out.println(m.group()); 
} 
} 
} 
}
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